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re-write category handling so it has a better chance of working (category

Browse source 
using code now compiles)
This commit is contained in:
Bill Currie 2002-11-12 19:52:43 +00:00
parent 33918c6371
commit da334413b8
5 changed files with 136 additions and 76 deletions
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12
tools/qfcc/include/class.h
View file

@ -34,9 +34,9 @@
typedef struct class_s {
int defined;
const char *class_name;
const char *category_name;
const char *name;
struct class_s *super_class;
struct category_s *categories;
struct type_s *ivars;
struct methodlist_s *methods;
struct protocollist_s *protocols;
@ -44,6 +44,14 @@ typedef struct class_s {
struct type_s *type;
} class_t;
typedef struct category_s {
struct category_s *next;
const char *name;
class_t *class;
struct methodlist_s *methods;
struct protocollist_s *protocols;
} category_t;
extern class_t class_id;
extern class_t class_Class;
extern class_t class_Protocol;

185
tools/qfcc/source/class.c
View file

@ -71,7 +71,7 @@ class_t class_Protocol = {1, "Protocl", 0, 0, 0, 0, 0, 0, &type_Protocol};
static const char *
class_get_key (void *class, void *unused)
{
return ((class_t *) class)->class_name;
return ((class_t *) class)->name;
}
static const char *
@ -93,14 +93,14 @@ class_def (class_t *class, int external)
type_t *type;
storage_class_t storage = external ? st_extern : st_global;
if (!class->class_name)
if (!class->name)
return 0;
if (class->category_name) {
if (class->categories) {
name = va ("_OBJ_CATEGORY_%s_%s",
class->class_name, class->category_name);
class->name, class->categories->name);
type = type_category;
} else {
name = va ("_OBJ_CLASS_%s", class->class_name);
name = va ("_OBJ_CLASS_%s", class->name);
type = type_Class.aux_type;
}
return get_def (type, name, pr.scope, storage);
@ -121,7 +121,7 @@ get_class (const char *name, int create)
}
c = calloc (sizeof (class_t), 1);
c->class_name = name;
c->name = name;
new = *type_Class.aux_type;
new.class = c;
c->type = pointer_type (find_type (&new));
@ -135,10 +135,18 @@ class_add_methods (class_t *class, methodlist_t *methods)
{
if (!methods)
return;
if (!class->methods)
class->methods = new_methodlist ();
*class->methods->tail = methods->head;
class->methods->tail = methods->tail;
if (class->categories) {
category_t *category = class->categories;
if (!category->methods)
category->methods = new_methodlist ();
*category->methods->tail = methods->head;
category->methods->tail = methods->tail;
} else {
if (!class->methods)
class->methods = new_methodlist ();
*class->methods->tail = methods->head;
class->methods->tail = methods->tail;
}
free (methods);
}
@ -150,16 +158,29 @@ class_add_protocol_methods (class_t *class, expr_t *protocols)
if (!protocol_hash)
protocol_hash = Hash_NewTable (1021, protocol_get_key, 0, 0);
if (!class->methods)
class->methods = new_methodlist ();
if (class->categories) {
if (!class->categories->methods)
class->categories->methods = new_methodlist ();
} else {
if (!class->methods)
class->methods = new_methodlist ();
}
for (e = protocols; e; e = e->next) {
method_t **m = class->methods->tail;
methodlist_t *methods;
method_t **m;
if (class->categories)
methods = class->categories->methods;
else
methods = class->methods;
m = methods->tail;
if (!(p = get_protocol (e->e.string_val, 0))) {
error (e, "undefined protocol `%s'", e->e.string_val);
continue;
}
copy_methods (class->methods, p->methods);
copy_methods (methods, p->methods);
while (*m) {
(*m)->params->type = class->type;
m = &(*m)->next;
@ -180,46 +201,46 @@ class_begin (class_t *class)
{
current_class = class;
class->def = class_def (class, 0);
if (class->class_name && class->category_name) {
if (class->name && class->categories) {
pr_category_t *category;
class->def->initialized = class->def->constant = 1;
category = &G_STRUCT (pr_category_t, class->def->ofs);
EMIT_STRING (category->category_name, class->category_name);
EMIT_STRING (category->class_name, class->class_name);
EMIT_STRING (category->category_name, class->categories->name);
EMIT_STRING (category->class_name, class->name);
EMIT_DEF (category->protocols,
emit_protocol_list (class->protocols,
emit_protocol_list (class->categories->protocols,
va ("%s_%s",
class->class_name,
class->category_name)));
} else if (class->class_name) {
class->name,
class->categories->name)));
} else if (class->name) {
def_t *meta_def;
pr_class_t *meta;
pr_class_t *cls;
meta_def = get_def (type_Class.aux_type,
va ("_OBJ_METACLASS_%s", class->class_name),
va ("_OBJ_METACLASS_%s", class->name),
pr.scope, st_static);
meta_def->initialized = meta_def->constant = 1;
meta = &G_STRUCT (pr_class_t, meta_def->ofs);
EMIT_STRING (meta->class_pointer, class->class_name);
EMIT_STRING (meta->class_pointer, class->name);
if (class->super_class)
EMIT_STRING (meta->super_class, class->super_class->class_name);
EMIT_STRING (meta->name, class->class_name);
EMIT_STRING (meta->super_class, class->super_class->name);
EMIT_STRING (meta->name, class->name);
meta->info = _PR_CLS_META;
meta->instance_size = type_size (type_Class.aux_type);
EMIT_DEF (meta->ivars, emit_struct (type_Class.aux_type, "Class"));
EMIT_DEF (meta->protocols, emit_protocol_list (class->protocols,
class->class_name));
class->name));
class->def->initialized = class->def->constant = 1;
cls = &G_STRUCT (pr_class_t, class->def->ofs);
EMIT_DEF (cls->class_pointer, meta_def);
if (class->super_class) {
EMIT_STRING (cls->super_class, class->super_class->class_name);
EMIT_STRING (cls->super_class, class->super_class->name);
class_def (class->super_class, 1);
}
EMIT_STRING (cls->name, class->class_name);
EMIT_STRING (cls->name, class->name);
cls->info = _PR_CLS_CLASS;
cls->protocols = meta->protocols;
}
@ -228,19 +249,20 @@ class_begin (class_t *class)
void
class_finish (class_t *class)
{
if (class->class_name && class->category_name) {
pr_category_t *category;
if (class->name && class->categories) {
pr_category_t *pr_category;
category_t *category = class->categories;
category = &G_STRUCT (pr_category_t, class->def->ofs);
EMIT_DEF (category->instance_methods,
emit_methods (class->methods, va ("%s_%s",
class->class_name,
class->category_name), 1));
EMIT_DEF (category->class_methods,
emit_methods (class->methods, va ("%s_%s",
class->class_name,
class->category_name), 0));
} else if (class->class_name) {
pr_category = &G_STRUCT (pr_category_t, class->def->ofs);
EMIT_DEF (pr_category->instance_methods,
emit_methods (category->methods, va ("%s_%s",
class->name,
category->name), 1));
EMIT_DEF (pr_category->class_methods,
emit_methods (category->methods, va ("%s_%s",
class->name,
category->name), 0));
} else if (class->name) {
pr_class_t *meta;
pr_class_t *cls;
@ -249,12 +271,12 @@ class_finish (class_t *class)
meta = &G_STRUCT (pr_class_t, cls->class_pointer);
EMIT_DEF (meta->methods, emit_methods (class->methods,
class->class_name, 0));
class->name, 0));
cls->instance_size = type_size (class->ivars);
EMIT_DEF (cls->ivars, emit_struct (class->ivars, class->class_name));
EMIT_DEF (cls->ivars, emit_struct (class->ivars, class->name));
EMIT_DEF (cls->methods, emit_methods (class->methods,
class->class_name, 1));
class->name, 1));
}
}
@ -279,10 +301,10 @@ class_find_ivar (class_t *class, int protected, const char *name)
return ivar;
}
}
error (0, "%s.%s does not exist", class->class_name, name);
error (0, "%s.%s does not exist", class->name, name);
return 0;
access_error:
error (0, "%s.%s is not accessable here", class->class_name, name);
error (0, "%s.%s is not accessable here", class->name, name);
return 0;
}
@ -307,7 +329,7 @@ class_ivar_expr (class_t *class, const char *name)
return 0;
if (ivar->visibility == vis_private) {
error (0, "%s.%s is not accessable here",
class->class_name, name);
class->name, name);
return 0;
}
return binary_expr ('.', new_name_expr ("self"), new_name_expr (name));
@ -316,18 +338,23 @@ class_ivar_expr (class_t *class, const char *name)
method_t *
class_find_method (class_t *class, method_t *method)
{
methodlist_t *methods;
method_t *m;
dstring_t *sel;
for (m = class->methods->head; m; m = m->next)
if (class->categories)
methods = class->categories->methods;
else
methods = class->methods;
for (m = methods->head; m; m = m->next)
if (method_compare (method, m))
return m;
sel = dstring_newstr ();
selector_name (sel, (keywordarg_t *)method->selector);
warning (0, "%s method %s not in %s%s",
method->instance ? "instance" : "class",
sel->str, class->class_name,
class->category_name ? va (" (%s)", class->category_name) : "");
sel->str, class->name,
class->categories ? va (" (%s)", class->categories->name) : "");
dstring_delete (sel);
return method;
}
@ -339,6 +366,7 @@ class_message_response (class_t *class, expr_t *sel)
char *sel_name;
method_t *m;
class_t *c = class;
category_t *cat;
if (sel->type != ex_pointer && sel->e.pointer.type != type_SEL.aux_type) {
error (sel, "not a selector");
@ -348,6 +376,12 @@ class_message_response (class_t *class, expr_t *sel)
sel_name = G_GETSTR (selector->sel_id);
while (c) {
if (c->methods) {
for (cat = c->categories; cat; cat = cat->next) {
for (m = cat->methods->head; m; m = m->next) {
if (strcmp (sel_name, m->name) == 0)
return m;
}
}
for (m = c->methods->head; m; m = m->next) {
if (strcmp (sel_name, m->name) == 0)
return m;
@ -355,24 +389,24 @@ class_message_response (class_t *class, expr_t *sel)
}
c = c->super_class;
}
warning (sel, "%s does not respond to %s", class->class_name, sel_name);
warning (sel, "%s does not respond to %s", class->name, sel_name);
return 0;
}
static unsigned long
category_get_hash (void *_c, void *unused)
{
class_t *c = (class_t *) _c;
return Hash_String (c->class_name) ^ Hash_String (c->category_name);
category_t *c = (category_t *) _c;
return Hash_String (c->name) ^ Hash_String (c->class->name);
}
static int
category_compare (void *_c1, void *_c2, void *unused)
{
class_t *c1 = (class_t *) _c1;
class_t *c2 = (class_t *) _c2;
return strcmp (c1->class_name, c2->class_name) == 0
&& strcmp (c1->category_name, c2->category_name) == 0;
category_t *c1 = (category_t *) _c1;
category_t *c2 = (category_t *) _c2;
return strcmp (c1->name, c2->name) == 0
&& strcmp (c1->class->name, c2->class->name) == 0;
}
void
@ -385,34 +419,53 @@ void
class_check_ivars (class_t *class, struct type_s *ivars)
{
if (!struct_compare_fields (class->ivars, ivars))
warning (0, "instance variable missmatch for %s", class->class_name);
warning (0, "instance variable missmatch for %s", class->name);
class->ivars = ivars;
}
class_t *
get_category (const char *class_name, const char *category_name, int create)
{
class_t *c;
category_t *c;
class_t *class;
if (!category_hash) {
category_hash = Hash_NewTable (1021, 0, 0, 0);
Hash_SetHashCompare (category_hash,
category_get_hash, category_compare);
}
class = get_class (class_name, 0);
if (!class) {
error (0, "undefined class %s", class_name);
return get_class (0, 1);
}
if (class_name && category_name) {
class_t _c = {0, class_name, category_name};
class_t _c = {0, category_name, class};
c = Hash_FindElement (category_hash, &_c);
if (c || !create)
return c;
if (c) {
category_t **cat = &class->categories;
category_t *t;
while (*cat != c)
cat = &(*cat)->next;
t = *cat;
*cat = (*cat)->next;
t->next = class->categories;
class->categories = t;
return class;
}
if (!create)
return 0;
}
c = calloc (sizeof (class_t), 1);
c->class_name = class_name;
c->category_name = category_name;
c = calloc (sizeof (category_t), 1);
c->next = class->categories;
class->categories = c;
c->name = category_name;
c->class = class;
if (class_name && category_name)
Hash_AddElement (category_hash, c);
return c;
return c->class;
}
def_t *
@ -421,7 +474,7 @@ class_pointer_def (class_t *class)
def_t *def;
def = get_def (class->type,
va ("_OBJ_CLASS_POINTER_%s", class->class_name),
va ("_OBJ_CLASS_POINTER_%s", class->name),
pr.scope, st_static);
if (def->initialized)
return def;

4
tools/qfcc/source/method.c
View file

@ -112,8 +112,8 @@ method_def (class_t *class, method_t *method)
dsprintf (str, "_%c_%s_%s_%s",
method->instance ? 'i' : 'c',
class->class_name,
class->category_name ? class->category_name : "",
class->name,
class->categories ? class->categories->name : "",
method->name);
str->str[--str->size - 1] = 0;
for (s = str->str; *s; s++)

3
tools/qfcc/source/qc-parse.y
View file

@ -946,8 +946,7 @@ class_with_super
: class_name ':' class_name
{
if ($1->super_class != $3)
error (0, "%s is not a super class of %s",
$3->class_name, $1->class_name);
error (0, "%s is not a super class of %s", $3->name, $1->name);
$$ = $1;
}
;

8
tools/qfcc/source/type.c
View file

@ -277,9 +277,9 @@ print_type (type_t *type)
case ev_class:
class = type->class;
printf (" %s%s",
class->class_name,
class->category_name ? va (" (%s)", class->category_name)
: "");
class->name,
class->categories ? va (" (%s)", class->categories->name)
: "");
break;
case ev_struct:
printf (" %s %s", pr_type_name[type->type], type->name);
@ -369,7 +369,7 @@ _encode_type (dstring_t *encoding, type_t *type, int level)
if (type->name) {
dstring_appendstr (encoding, type->name);
} else if (type->type == ev_object || type->type == ev_class) {
dstring_appendstr (encoding, type->class->class_name);
dstring_appendstr (encoding, type->class->name);
}
if (level < 2) {
dstring_appendstr (encoding, "=");